/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:50:20,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:50:20,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:50:20,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:50:20,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:50:20,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:50:20,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:50:20,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:50:20,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:50:20,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:50:20,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:50:20,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:50:20,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:50:20,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:50:20,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:50:20,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:50:20,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:50:20,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:50:20,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:50:20,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:50:20,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:50:20,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:50:20,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:50:20,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:50:20,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:50:20,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:50:20,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:50:20,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:50:20,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:50:20,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:50:20,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:50:20,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:50:20,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:50:20,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:50:20,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:50:20,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:50:20,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:50:20,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:50:20,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:50:20,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:50:20,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:50:20,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:50:20,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:50:20,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:50:20,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:50:20,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:50:20,438 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:50:20,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:50:20,438 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:50:20,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:50:20,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:50:20,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:50:20,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:50:20,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:50:20,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:50:20,441 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:50:20,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:50:20,441 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:50:20,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:50:20,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:50:20,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:50:20,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:50:20,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:50:20,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:50:20,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:50:20,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:50:20,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:50:20,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:50:20,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:50:20,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:50:20,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:50:20,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:50:20,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:50:20,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:50:20,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:50:20,765 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:50:20,765 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:50:20,766 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-07-07 10:50:20,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aea2be03/c73185065208477a9d023ea8daf47fd0/FLAGaa54236f0 [2020-07-07 10:50:21,346 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:50:21,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-07-07 10:50:21,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aea2be03/c73185065208477a9d023ea8daf47fd0/FLAGaa54236f0 [2020-07-07 10:50:21,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aea2be03/c73185065208477a9d023ea8daf47fd0 [2020-07-07 10:50:21,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:50:21,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:50:21,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:50:21,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:50:21,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:50:21,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:50:21" (1/1) ... [2020-07-07 10:50:21,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16705c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:21, skipping insertion in model container [2020-07-07 10:50:21,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:50:21" (1/1) ... [2020-07-07 10:50:21,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:50:21,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:50:22,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:50:22,205 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:50:22,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:50:22,319 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:50:22,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22 WrapperNode [2020-07-07 10:50:22,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:50:22,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:50:22,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:50:22,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:50:22,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22" (1/1) ... [2020-07-07 10:50:22,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22" (1/1) ... [2020-07-07 10:50:22,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22" (1/1) ... [2020-07-07 10:50:22,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22" (1/1) ... [2020-07-07 10:50:22,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22" (1/1) ... [2020-07-07 10:50:22,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22" (1/1) ... [2020-07-07 10:50:22,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22" (1/1) ... [2020-07-07 10:50:22,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:50:22,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:50:22,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:50:22,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:50:22,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:50:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:50:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:50:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:50:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:50:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:50:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:50:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:50:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:50:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:50:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:50:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:50:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:50:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:50:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:50:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:50:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:50:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:50:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:50:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:50:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:50:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:50:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:50:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:50:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:50:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:50:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:50:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:50:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:50:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:50:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:50:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:50:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:50:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:50:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:50:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:50:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:50:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:50:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:50:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:50:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:50:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:50:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:50:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:50:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:50:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:50:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:50:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:50:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:50:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:50:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:50:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:50:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:50:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:50:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:50:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:50:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:50:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:50:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:50:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:50:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:50:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:50:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:50:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:50:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:50:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:50:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:50:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:50:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:50:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:50:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:50:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:50:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:50:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:50:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:50:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:50:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:50:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:50:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:50:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:50:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:50:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:50:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:50:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:50:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:50:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:50:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:50:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:50:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:50:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:50:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:50:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:50:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:50:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:50:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:50:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:50:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:50:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:50:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:50:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:50:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:50:23,575 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:50:23,575 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:50:23,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:50:23 BoogieIcfgContainer [2020-07-07 10:50:23,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:50:23,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:50:23,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:50:23,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:50:23,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:50:21" (1/3) ... [2020-07-07 10:50:23,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ceccfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:50:23, skipping insertion in model container [2020-07-07 10:50:23,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:22" (2/3) ... [2020-07-07 10:50:23,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ceccfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:50:23, skipping insertion in model container [2020-07-07 10:50:23,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:50:23" (3/3) ... [2020-07-07 10:50:23,589 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-07-07 10:50:23,599 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:50:23,607 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:50:23,621 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:50:23,646 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:50:23,647 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:50:23,647 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:50:23,647 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:50:23,648 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:50:23,648 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:50:23,648 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:50:23,648 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:50:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-07-07 10:50:23,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:50:23,683 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:23,684 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:23,684 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:23,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:23,691 INFO L82 PathProgramCache]: Analyzing trace with hash 2053229239, now seen corresponding path program 1 times [2020-07-07 10:50:23,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:23,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123440482] [2020-07-07 10:50:23,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,388 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:24,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123440482] [2020-07-07 10:50:24,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:24,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:50:24,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185717014] [2020-07-07 10:50:24,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:50:24,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:24,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:50:24,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:50:24,513 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-07-07 10:50:25,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:25,649 INFO L93 Difference]: Finished difference Result 313 states and 401 transitions. [2020-07-07 10:50:25,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:50:25,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:50:25,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:25,666 INFO L225 Difference]: With dead ends: 313 [2020-07-07 10:50:25,667 INFO L226 Difference]: Without dead ends: 172 [2020-07-07 10:50:25,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:50:25,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-07 10:50:25,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 142. [2020-07-07 10:50:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-07 10:50:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2020-07-07 10:50:25,765 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59 [2020-07-07 10:50:25,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:25,765 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2020-07-07 10:50:25,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:50:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2020-07-07 10:50:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:50:25,770 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:25,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:25,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:50:25,771 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:25,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:25,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1701396789, now seen corresponding path program 1 times [2020-07-07 10:50:25,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:25,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202059083] [2020-07-07 10:50:25,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,098 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:26,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202059083] [2020-07-07 10:50:26,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:26,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:50:26,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350335567] [2020-07-07 10:50:26,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:50:26,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:26,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:50:26,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:50:26,162 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 5 states. [2020-07-07 10:50:26,750 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:27,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:27,659 INFO L93 Difference]: Finished difference Result 254 states and 309 transitions. [2020-07-07 10:50:27,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:50:27,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:50:27,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:27,664 INFO L225 Difference]: With dead ends: 254 [2020-07-07 10:50:27,664 INFO L226 Difference]: Without dead ends: 162 [2020-07-07 10:50:27,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:50:27,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-07 10:50:27,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 133. [2020-07-07 10:50:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-07 10:50:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2020-07-07 10:50:27,705 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60 [2020-07-07 10:50:27,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:27,706 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2020-07-07 10:50:27,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:50:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2020-07-07 10:50:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:50:27,708 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:27,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:27,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:50:27,709 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:27,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:27,710 INFO L82 PathProgramCache]: Analyzing trace with hash -835538636, now seen corresponding path program 1 times [2020-07-07 10:50:27,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:27,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386244647] [2020-07-07 10:50:27,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,068 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:28,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386244647] [2020-07-07 10:50:28,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:28,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:28,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739021720] [2020-07-07 10:50:28,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:28,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:28,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:28,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:28,195 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 9 states. [2020-07-07 10:50:28,629 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:28,950 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:29,187 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:29,432 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:30,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:30,720 INFO L93 Difference]: Finished difference Result 267 states and 328 transitions. [2020-07-07 10:50:30,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:50:30,723 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-07 10:50:30,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:30,725 INFO L225 Difference]: With dead ends: 267 [2020-07-07 10:50:30,725 INFO L226 Difference]: Without dead ends: 162 [2020-07-07 10:50:30,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:50:30,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-07 10:50:30,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 133. [2020-07-07 10:50:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-07 10:50:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2020-07-07 10:50:30,762 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65 [2020-07-07 10:50:30,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:30,763 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2020-07-07 10:50:30,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2020-07-07 10:50:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-07 10:50:30,766 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:30,766 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:30,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:50:30,766 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:30,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:30,767 INFO L82 PathProgramCache]: Analyzing trace with hash -192684169, now seen corresponding path program 1 times [2020-07-07 10:50:30,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:30,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053810945] [2020-07-07 10:50:30,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,096 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:31,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053810945] [2020-07-07 10:50:31,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:31,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:50:31,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240074273] [2020-07-07 10:50:31,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:50:31,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:31,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:50:31,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:50:31,225 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 7 states. [2020-07-07 10:50:31,642 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:33,067 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:33,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:33,610 INFO L93 Difference]: Finished difference Result 371 states and 462 transitions. [2020-07-07 10:50:33,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:50:33,612 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-07 10:50:33,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:33,618 INFO L225 Difference]: With dead ends: 371 [2020-07-07 10:50:33,618 INFO L226 Difference]: Without dead ends: 266 [2020-07-07 10:50:33,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:50:33,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-07 10:50:33,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 220. [2020-07-07 10:50:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-07 10:50:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions. [2020-07-07 10:50:33,675 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 78 [2020-07-07 10:50:33,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:33,676 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions. [2020-07-07 10:50:33,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:50:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions. [2020-07-07 10:50:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:50:33,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:33,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:33,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:50:33,679 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:33,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:33,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1827957124, now seen corresponding path program 1 times [2020-07-07 10:50:33,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:33,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988234614] [2020-07-07 10:50:33,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:33,948 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:34,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988234614] [2020-07-07 10:50:34,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:34,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:50:34,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429560770] [2020-07-07 10:50:34,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:50:34,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:34,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:50:34,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:50:34,135 INFO L87 Difference]: Start difference. First operand 220 states and 252 transitions. Second operand 11 states. [2020-07-07 10:50:34,656 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:34,891 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:35,133 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:35,845 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:36,098 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:36,339 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:37,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:37,256 INFO L93 Difference]: Finished difference Result 459 states and 566 transitions. [2020-07-07 10:50:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:50:37,256 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-07 10:50:37,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:37,259 INFO L225 Difference]: With dead ends: 459 [2020-07-07 10:50:37,260 INFO L226 Difference]: Without dead ends: 267 [2020-07-07 10:50:37,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:50:37,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-07-07 10:50:37,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 224. [2020-07-07 10:50:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-07 10:50:37,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2020-07-07 10:50:37,305 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 92 [2020-07-07 10:50:37,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:37,306 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2020-07-07 10:50:37,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:50:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2020-07-07 10:50:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:50:37,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:37,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:37,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:50:37,308 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:37,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:37,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1850589378, now seen corresponding path program 1 times [2020-07-07 10:50:37,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:37,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696376225] [2020-07-07 10:50:37,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,617 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:50:37,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696376225] [2020-07-07 10:50:37,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:37,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:37,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183117043] [2020-07-07 10:50:37,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:37,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:37,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:37,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:37,786 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 9 states. [2020-07-07 10:50:38,247 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:38,956 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:39,613 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:39,930 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:40,458 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:40,710 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:41,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:41,276 INFO L93 Difference]: Finished difference Result 465 states and 564 transitions. [2020-07-07 10:50:41,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:50:41,276 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-07 10:50:41,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:41,279 INFO L225 Difference]: With dead ends: 465 [2020-07-07 10:50:41,279 INFO L226 Difference]: Without dead ends: 269 [2020-07-07 10:50:41,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:50:41,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-07 10:50:41,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 223. [2020-07-07 10:50:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-07 10:50:41,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2020-07-07 10:50:41,317 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 92 [2020-07-07 10:50:41,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:41,318 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2020-07-07 10:50:41,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2020-07-07 10:50:41,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:50:41,319 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:41,320 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:41,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:50:41,320 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:41,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:41,321 INFO L82 PathProgramCache]: Analyzing trace with hash -185232827, now seen corresponding path program 1 times [2020-07-07 10:50:41,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:41,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866463824] [2020-07-07 10:50:41,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,603 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:41,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866463824] [2020-07-07 10:50:41,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:41,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:41,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145519089] [2020-07-07 10:50:41,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:41,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:41,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:41,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:41,759 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 9 states. [2020-07-07 10:50:42,743 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:42,986 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:43,232 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:43,471 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:44,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:44,245 INFO L93 Difference]: Finished difference Result 463 states and 558 transitions. [2020-07-07 10:50:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:50:44,246 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-07 10:50:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:44,248 INFO L225 Difference]: With dead ends: 463 [2020-07-07 10:50:44,248 INFO L226 Difference]: Without dead ends: 268 [2020-07-07 10:50:44,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:50:44,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-07-07 10:50:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2020-07-07 10:50:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-07 10:50:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2020-07-07 10:50:44,292 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 93 [2020-07-07 10:50:44,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:44,292 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2020-07-07 10:50:44,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2020-07-07 10:50:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:50:44,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:44,294 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:44,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:50:44,295 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:44,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:44,295 INFO L82 PathProgramCache]: Analyzing trace with hash -2053119352, now seen corresponding path program 1 times [2020-07-07 10:50:44,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:44,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963630056] [2020-07-07 10:50:44,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,570 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:44,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963630056] [2020-07-07 10:50:44,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:44,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:50:44,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132887123] [2020-07-07 10:50:44,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:50:44,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:44,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:50:44,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:50:44,722 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand 7 states. [2020-07-07 10:50:45,071 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:45,606 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:47,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:47,375 INFO L93 Difference]: Finished difference Result 649 states and 808 transitions. [2020-07-07 10:50:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:50:47,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-07-07 10:50:47,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:47,380 INFO L225 Difference]: With dead ends: 649 [2020-07-07 10:50:47,380 INFO L226 Difference]: Without dead ends: 449 [2020-07-07 10:50:47,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:50:47,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-07-07 10:50:47,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 407. [2020-07-07 10:50:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-07-07 10:50:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 474 transitions. [2020-07-07 10:50:47,478 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 474 transitions. Word has length 93 [2020-07-07 10:50:47,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:47,478 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 474 transitions. [2020-07-07 10:50:47,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:50:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 474 transitions. [2020-07-07 10:50:47,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-07 10:50:47,480 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:47,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:47,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:50:47,481 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:47,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:47,481 INFO L82 PathProgramCache]: Analyzing trace with hash 868259694, now seen corresponding path program 1 times [2020-07-07 10:50:47,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:47,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944869757] [2020-07-07 10:50:47,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,836 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:47,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944869757] [2020-07-07 10:50:47,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:47,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:50:47,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301399549] [2020-07-07 10:50:47,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:50:47,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:47,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:50:47,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:50:47,990 INFO L87 Difference]: Start difference. First operand 407 states and 474 transitions. Second operand 12 states. [2020-07-07 10:50:48,476 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:49,112 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:50,085 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:50,383 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:50,616 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:50,870 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:51,116 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:52,376 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:52,678 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:53,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:53,297 INFO L93 Difference]: Finished difference Result 1129 states and 1399 transitions. [2020-07-07 10:50:53,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:50:53,299 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-07-07 10:50:53,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:53,305 INFO L225 Difference]: With dead ends: 1129 [2020-07-07 10:50:53,305 INFO L226 Difference]: Without dead ends: 824 [2020-07-07 10:50:53,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:50:53,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-07-07 10:50:53,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 702. [2020-07-07 10:50:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-07-07 10:50:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 810 transitions. [2020-07-07 10:50:53,432 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 810 transitions. Word has length 97 [2020-07-07 10:50:53,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:53,432 INFO L479 AbstractCegarLoop]: Abstraction has 702 states and 810 transitions. [2020-07-07 10:50:53,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:50:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 810 transitions. [2020-07-07 10:50:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-07 10:50:53,435 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:53,435 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:53,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:50:53,436 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:53,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:53,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1063606964, now seen corresponding path program 1 times [2020-07-07 10:50:53,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:53,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108694727] [2020-07-07 10:50:53,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:53,886 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 10:50:54,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108694727] [2020-07-07 10:50:54,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575570386] [2020-07-07 10:50:54,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:54,589 INFO L264 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:50:54,610 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:50:54,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:54,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:50:54,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718286716] [2020-07-07 10:50:54,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:50:54,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:54,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:50:54,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:50:54,799 INFO L87 Difference]: Start difference. First operand 702 states and 810 transitions. Second operand 20 states. [2020-07-07 10:50:55,665 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:56,012 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:50:56,284 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:50:56,533 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:50:57,335 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:57,670 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:58,042 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:50:58,686 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:59,046 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:51:00,176 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:51:00,461 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:00,780 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:51:01,378 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:01,805 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:02,385 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:51:03,042 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:03,340 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:03,849 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:04,542 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:51:04,824 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:05,059 INFO L93 Difference]: Finished difference Result 1569 states and 1869 transitions. [2020-07-07 10:51:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-07 10:51:05,060 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 159 [2020-07-07 10:51:05,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:05,067 INFO L225 Difference]: With dead ends: 1569 [2020-07-07 10:51:05,067 INFO L226 Difference]: Without dead ends: 965 [2020-07-07 10:51:05,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-07 10:51:05,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2020-07-07 10:51:05,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 852. [2020-07-07 10:51:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-07-07 10:51:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 989 transitions. [2020-07-07 10:51:05,238 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 989 transitions. Word has length 159 [2020-07-07 10:51:05,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:05,242 INFO L479 AbstractCegarLoop]: Abstraction has 852 states and 989 transitions. [2020-07-07 10:51:05,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:51:05,242 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 989 transitions. [2020-07-07 10:51:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-07-07 10:51:05,248 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:05,248 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:05,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:51:05,463 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:05,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:05,464 INFO L82 PathProgramCache]: Analyzing trace with hash -810254798, now seen corresponding path program 1 times [2020-07-07 10:51:05,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:05,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202090598] [2020-07-07 10:51:05,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,806 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 84 proven. 29 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-07-07 10:51:06,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202090598] [2020-07-07 10:51:06,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54728020] [2020-07-07 10:51:06,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:06,782 INFO L264 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:51:06,792 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 205 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-07-07 10:51:07,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:07,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-07 10:51:07,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85121231] [2020-07-07 10:51:07,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:51:07,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:07,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:51:07,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:51:07,172 INFO L87 Difference]: Start difference. First operand 852 states and 989 transitions. Second operand 24 states. [2020-07-07 10:51:08,939 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:09,792 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:10,547 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:11,283 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:11,795 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:51:12,280 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:51:12,554 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:12,837 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:13,085 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:16,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:16,450 INFO L93 Difference]: Finished difference Result 2051 states and 2694 transitions. [2020-07-07 10:51:16,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 10:51:16,451 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 281 [2020-07-07 10:51:16,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:16,460 INFO L225 Difference]: With dead ends: 2051 [2020-07-07 10:51:16,460 INFO L226 Difference]: Without dead ends: 1250 [2020-07-07 10:51:16,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 380 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-07 10:51:16,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-07-07 10:51:16,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 860. [2020-07-07 10:51:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-07-07 10:51:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 984 transitions. [2020-07-07 10:51:16,603 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 984 transitions. Word has length 281 [2020-07-07 10:51:16,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:16,604 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 984 transitions. [2020-07-07 10:51:16,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:51:16,604 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 984 transitions. [2020-07-07 10:51:16,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-07-07 10:51:16,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:16,608 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:16,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:16,821 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:16,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:16,822 INFO L82 PathProgramCache]: Analyzing trace with hash 563096766, now seen corresponding path program 1 times [2020-07-07 10:51:16,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:16,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191251425] [2020-07-07 10:51:16,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,194 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 94 proven. 40 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-07 10:51:17,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191251425] [2020-07-07 10:51:17,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642749406] [2020-07-07 10:51:17,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,896 INFO L264 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-07 10:51:17,904 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:18,090 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 240 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-07 10:51:18,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:18,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-07 10:51:18,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961896740] [2020-07-07 10:51:18,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:51:18,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:18,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:51:18,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:51:18,092 INFO L87 Difference]: Start difference. First operand 860 states and 984 transitions. Second operand 22 states. [2020-07-07 10:51:18,923 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:51:19,507 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:20,038 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:20,503 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:21,475 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:51:22,306 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:22,921 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:51:23,403 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:51:24,154 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:25,013 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:25,256 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:26,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:26,048 INFO L93 Difference]: Finished difference Result 1668 states and 1970 transitions. [2020-07-07 10:51:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:51:26,049 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 293 [2020-07-07 10:51:26,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:26,055 INFO L225 Difference]: With dead ends: 1668 [2020-07-07 10:51:26,055 INFO L226 Difference]: Without dead ends: 929 [2020-07-07 10:51:26,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-07 10:51:26,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2020-07-07 10:51:26,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 860. [2020-07-07 10:51:26,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-07-07 10:51:26,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 981 transitions. [2020-07-07 10:51:26,274 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 981 transitions. Word has length 293 [2020-07-07 10:51:26,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:26,275 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 981 transitions. [2020-07-07 10:51:26,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:51:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 981 transitions. [2020-07-07 10:51:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-07-07 10:51:26,279 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:26,279 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:26,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:51:26,495 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:26,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:26,496 INFO L82 PathProgramCache]: Analyzing trace with hash 446395520, now seen corresponding path program 1 times [2020-07-07 10:51:26,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:26,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896495834] [2020-07-07 10:51:26,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,827 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-07-07 10:51:27,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896495834] [2020-07-07 10:51:27,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158491607] [2020-07-07 10:51:27,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,307 INFO L264 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:51:27,319 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 166 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-07-07 10:51:27,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:27,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-07 10:51:27,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221066034] [2020-07-07 10:51:27,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 10:51:27,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:27,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 10:51:27,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:51:27,542 INFO L87 Difference]: Start difference. First operand 860 states and 981 transitions. Second operand 17 states. [2020-07-07 10:51:28,070 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:28,728 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:30,337 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:30,604 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:30,866 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:31,113 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:31,763 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:32,060 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:32,308 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:32,565 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:32,816 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:34,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:34,992 INFO L93 Difference]: Finished difference Result 2148 states and 2668 transitions. [2020-07-07 10:51:34,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-07 10:51:34,993 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 294 [2020-07-07 10:51:34,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:35,004 INFO L225 Difference]: With dead ends: 2148 [2020-07-07 10:51:35,004 INFO L226 Difference]: Without dead ends: 1409 [2020-07-07 10:51:35,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 398 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-07 10:51:35,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2020-07-07 10:51:35,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1124. [2020-07-07 10:51:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-07-07 10:51:35,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1283 transitions. [2020-07-07 10:51:35,287 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1283 transitions. Word has length 294 [2020-07-07 10:51:35,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:35,289 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1283 transitions. [2020-07-07 10:51:35,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 10:51:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1283 transitions. [2020-07-07 10:51:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-07-07 10:51:35,293 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:35,294 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:35,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:35,508 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:35,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:35,509 INFO L82 PathProgramCache]: Analyzing trace with hash 488916222, now seen corresponding path program 1 times [2020-07-07 10:51:35,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:35,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297878345] [2020-07-07 10:51:35,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,826 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 152 proven. 56 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2020-07-07 10:51:36,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297878345] [2020-07-07 10:51:36,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023798376] [2020-07-07 10:51:36,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:36,985 INFO L264 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:51:37,002 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:37,272 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 216 proven. 51 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-07-07 10:51:37,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:37,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12] total 28 [2020-07-07 10:51:37,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397050225] [2020-07-07 10:51:37,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-07 10:51:37,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:37,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-07 10:51:37,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:51:37,275 INFO L87 Difference]: Start difference. First operand 1124 states and 1283 transitions. Second operand 28 states. [2020-07-07 10:51:37,969 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:38,987 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:40,074 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 10:51:40,926 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:41,554 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 10:51:42,120 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 10:51:42,637 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:51:43,170 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:51:43,662 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:51:45,165 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-07-07 10:51:46,508 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-07-07 10:51:46,863 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:47,423 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 10:51:47,977 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-07 10:51:48,518 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-07 10:51:48,825 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:51:49,155 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:49,476 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:50,335 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 10:51:50,867 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-07 10:51:51,387 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-07 10:51:51,649 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:52,184 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:51:52,676 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:51:53,781 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:54,399 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-07 10:51:55,076 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:55,595 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 10:51:56,090 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 10:51:56,773 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:57,556 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:51:57,874 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:58,177 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:51:58,638 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:59,215 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 10:51:59,745 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 10:52:02,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:02,189 INFO L93 Difference]: Finished difference Result 2511 states and 3028 transitions. [2020-07-07 10:52:02,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-07-07 10:52:02,190 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 363 [2020-07-07 10:52:02,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:02,192 INFO L225 Difference]: With dead ends: 2511 [2020-07-07 10:52:02,192 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:52:02,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 500 SyntacticMatches, 9 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3688 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=1987, Invalid=9355, Unknown=0, NotChecked=0, Total=11342 [2020-07-07 10:52:02,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:52:02,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:52:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:52:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:52:02,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2020-07-07 10:52:02,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:02,203 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:52:02,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-07 10:52:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:52:02,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:52:02,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-07 10:52:02,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:52:02,696 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 221 [2020-07-07 10:52:03,445 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-07-07 10:52:03,955 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-07-07 10:52:05,669 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 453 DAG size of output: 339 [2020-07-07 10:52:15,327 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 331 [2020-07-07 10:52:15,782 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 314 [2020-07-07 10:52:16,893 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 339 [2020-07-07 10:52:17,919 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 322 [2020-07-07 10:52:19,883 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 204 DAG size of output: 32 [2020-07-07 10:52:20,112 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-07 10:52:21,829 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 285 DAG size of output: 31 [2020-07-07 10:52:22,210 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:52:22,357 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-07 10:52:22,539 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 10:52:23,204 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 27 [2020-07-07 10:52:23,387 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 10:52:23,599 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:52:23,812 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:52:25,282 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 244 DAG size of output: 28 [2020-07-07 10:52:25,511 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:25,736 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-07 10:52:25,919 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 10:52:26,680 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 30 [2020-07-07 10:52:28,230 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-07-07 10:52:28,624 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2020-07-07 10:52:29,080 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2020-07-07 10:52:30,489 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 243 DAG size of output: 29 [2020-07-07 10:52:30,678 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-07 10:52:32,029 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 203 DAG size of output: 32 [2020-07-07 10:52:32,649 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 27 [2020-07-07 10:52:34,056 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 244 DAG size of output: 28 [2020-07-07 10:52:34,536 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 41 [2020-07-07 10:52:34,681 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 10:52:34,828 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 10:52:35,781 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 32 [2020-07-07 10:52:36,715 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 28 [2020-07-07 10:52:37,484 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 18 [2020-07-07 10:52:38,763 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 242 DAG size of output: 31 [2020-07-07 10:52:39,739 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 31 [2020-07-07 10:52:39,934 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:52:40,059 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2020-07-07 10:52:40,556 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 28 [2020-07-07 10:52:42,159 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 285 DAG size of output: 31 [2020-07-07 10:52:42,349 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:52:42,572 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-07 10:52:42,795 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-07 10:52:42,984 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:52:44,393 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 269 DAG size of output: 31 [2020-07-07 10:52:44,783 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 26 [2020-07-07 10:52:44,990 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:52:45,206 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:52:45,627 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 18 [2020-07-07 10:52:45,792 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 10:52:46,588 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 30 [2020-07-07 10:52:47,464 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 27 [2020-07-07 10:52:48,336 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 54 [2020-07-07 10:52:49,530 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 193 DAG size of output: 33 [2020-07-07 10:52:49,535 INFO L268 CegarLoopResult]: For program point L543(lines 520 544) no Hoare annotation was computed. [2020-07-07 10:52:49,535 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 496 551) no Hoare annotation was computed. [2020-07-07 10:52:49,536 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-07-07 10:52:49,536 INFO L268 CegarLoopResult]: For program point L527-1(lines 527 531) no Hoare annotation was computed. [2020-07-07 10:52:49,536 INFO L268 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-07-07 10:52:49,536 INFO L268 CegarLoopResult]: For program point L521-2(lines 521 542) no Hoare annotation was computed. [2020-07-07 10:52:49,536 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 496 551) no Hoare annotation was computed. [2020-07-07 10:52:49,536 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 496 551) no Hoare annotation was computed. [2020-07-07 10:52:49,537 INFO L268 CegarLoopResult]: For program point L578-2(lines 578 603) no Hoare annotation was computed. [2020-07-07 10:52:49,537 INFO L268 CegarLoopResult]: For program point L604(lines 577 605) no Hoare annotation was computed. [2020-07-07 10:52:49,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 552 611) no Hoare annotation was computed. [2020-07-07 10:52:49,537 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-07-07 10:52:49,537 INFO L268 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-07-07 10:52:49,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 552 611) no Hoare annotation was computed. [2020-07-07 10:52:49,538 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 552 611) no Hoare annotation was computed. [2020-07-07 10:52:49,538 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-07-07 10:52:49,538 INFO L268 CegarLoopResult]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2020-07-07 10:52:49,538 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-07-07 10:52:49,538 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-07-07 10:52:49,538 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-07-07 10:52:49,538 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-07-07 10:52:49,538 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-07-07 10:52:49,538 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-07-07 10:52:49,539 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:49,539 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2020-07-07 10:52:49,539 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2020-07-07 10:52:49,539 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-07 10:52:49,539 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2020-07-07 10:52:49,539 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-07 10:52:49,539 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2020-07-07 10:52:49,540 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2020-07-07 10:52:49,540 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-07 10:52:49,540 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2020-07-07 10:52:49,540 INFO L268 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-07-07 10:52:49,540 INFO L268 CegarLoopResult]: For program point L841(lines 841 851) no Hoare annotation was computed. [2020-07-07 10:52:49,540 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or (not (= 1 ~waterLevel~0)) .cse5 .cse6 .cse4 .cse3) (or .cse5 (not (<= ~waterLevel~0 1)) .cse2 .cse3) (or .cse5 .cse6 .cse4 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:52:49,541 INFO L268 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-07-07 10:52:49,541 INFO L268 CegarLoopResult]: For program point L837(lines 837 854) no Hoare annotation was computed. [2020-07-07 10:52:49,541 INFO L268 CegarLoopResult]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2020-07-07 10:52:49,541 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-07-07 10:52:49,541 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-07 10:52:49,541 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,541 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2020-07-07 10:52:49,541 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,542 INFO L264 CegarLoopResult]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,542 INFO L268 CegarLoopResult]: For program point L980(lines 980 987) no Hoare annotation was computed. [2020-07-07 10:52:49,542 INFO L268 CegarLoopResult]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2020-07-07 10:52:49,542 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-07 10:52:49,542 INFO L264 CegarLoopResult]: At program point L977(line 977) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,542 INFO L264 CegarLoopResult]: At program point L976(line 976) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,543 INFO L264 CegarLoopResult]: At program point L976-1(line 976) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-07 10:52:49,543 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point L251(lines 251 255) no Hoare annotation was computed. [2020-07-07 10:52:49,544 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2020-07-07 10:52:49,544 INFO L271 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: true [2020-07-07 10:52:49,544 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point L194-2(lines 194 202) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 187 222) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 187 222) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 187 222) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point L194(lines 194 202) no Hoare annotation was computed. [2020-07-07 10:52:49,545 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-07 10:52:49,546 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-07-07 10:52:49,546 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 450 495) no Hoare annotation was computed. [2020-07-07 10:52:49,546 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 450 495) no Hoare annotation was computed. [2020-07-07 10:52:49,546 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 450 495) no Hoare annotation was computed. [2020-07-07 10:52:49,546 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 763 808) no Hoare annotation was computed. [2020-07-07 10:52:49,546 INFO L268 CegarLoopResult]: For program point L783(lines 783 790) no Hoare annotation was computed. [2020-07-07 10:52:49,546 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 763 808) no Hoare annotation was computed. [2020-07-07 10:52:49,546 INFO L268 CegarLoopResult]: For program point L777(lines 777 797) no Hoare annotation was computed. [2020-07-07 10:52:49,546 INFO L268 CegarLoopResult]: For program point L777-1(lines 777 797) no Hoare annotation was computed. [2020-07-07 10:52:49,546 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 763 808) no Hoare annotation was computed. [2020-07-07 10:52:49,547 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,547 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2020-07-07 10:52:49,547 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2020-07-07 10:52:49,547 INFO L264 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,547 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 167 177) no Hoare annotation was computed. [2020-07-07 10:52:49,547 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-07 10:52:49,547 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-07 10:52:49,547 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 167 177) no Hoare annotation was computed. [2020-07-07 10:52:49,547 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 167 177) no Hoare annotation was computed. [2020-07-07 10:52:49,547 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (= 0 ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:49,548 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2020-07-07 10:52:49,548 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2020-07-07 10:52:49,548 INFO L268 CegarLoopResult]: For program point L424(lines 424 430) no Hoare annotation was computed. [2020-07-07 10:52:49,548 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2020-07-07 10:52:49,548 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2020-07-07 10:52:49,548 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2020-07-07 10:52:49,548 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2020-07-07 10:52:49,548 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 .cse5 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:52:49,549 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-07 10:52:49,549 INFO L268 CegarLoopResult]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2020-07-07 10:52:49,549 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2))) [2020-07-07 10:52:49,549 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~waterLevel~0))) .cse1 .cse2))) [2020-07-07 10:52:49,549 INFO L268 CegarLoopResult]: For program point L134(lines 134 142) no Hoare annotation was computed. [2020-07-07 10:52:49,549 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:52:49,549 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-07-07 10:52:49,550 INFO L268 CegarLoopResult]: For program point L130(lines 130 147) no Hoare annotation was computed. [2020-07-07 10:52:49,550 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2020-07-07 10:52:49,550 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2020-07-07 10:52:49,550 INFO L264 CegarLoopResult]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,550 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-07 10:52:49,550 INFO L268 CegarLoopResult]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2020-07-07 10:52:49,550 INFO L264 CegarLoopResult]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:52:49,550 INFO L268 CegarLoopResult]: For program point L321(lines 321 325) no Hoare annotation was computed. [2020-07-07 10:52:49,550 INFO L264 CegarLoopResult]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-07 10:52:49,550 INFO L268 CegarLoopResult]: For program point L284(lines 283 330) no Hoare annotation was computed. [2020-07-07 10:52:49,551 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-07 10:52:49,551 INFO L268 CegarLoopResult]: For program point L313(lines 313 326) no Hoare annotation was computed. [2020-07-07 10:52:49,551 INFO L264 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-07 10:52:49,551 INFO L268 CegarLoopResult]: For program point L303(lines 303 309) no Hoare annotation was computed. [2020-07-07 10:52:49,551 INFO L268 CegarLoopResult]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2020-07-07 10:52:49,551 INFO L264 CegarLoopResult]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-07 10:52:49,551 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-07 10:52:49,551 INFO L268 CegarLoopResult]: For program point L293(lines 293 299) no Hoare annotation was computed. [2020-07-07 10:52:49,551 INFO L268 CegarLoopResult]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2020-07-07 10:52:49,551 INFO L268 CegarLoopResult]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2020-07-07 10:52:49,551 INFO L268 CegarLoopResult]: For program point L737(lines 737 744) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point L731(lines 731 751) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point L731-1(lines 731 751) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 717 762) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 717 762) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 717 762) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point L396(lines 396 404) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 404) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 388 410) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 388 410) no Hoare annotation was computed. [2020-07-07 10:52:49,552 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 388 410) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 614 716) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point L638(lines 638 642) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point L702(lines 702 713) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point L665(lines 665 669) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 683) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point L684(lines 662 685) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 614 716) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point L643(lines 643 659) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point L703(lines 703 710) no Hoare annotation was computed. [2020-07-07 10:52:49,553 INFO L268 CegarLoopResult]: For program point L664(lines 663 683) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point L660(lines 660 701) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 614 716) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-07-07 10:52:49,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:52:49,555 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-07 10:52:49,555 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:52:49,555 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2020-07-07 10:52:49,555 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2020-07-07 10:52:49,555 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:49,555 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2020-07-07 10:52:49,555 INFO L268 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2020-07-07 10:52:49,555 INFO L271 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: true [2020-07-07 10:52:49,555 INFO L268 CegarLoopResult]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2020-07-07 10:52:49,555 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2020-07-07 10:52:49,555 INFO L268 CegarLoopResult]: For program point L230-1(line 230) no Hoare annotation was computed. [2020-07-07 10:52:49,556 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2020-07-07 10:52:49,556 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2020-07-07 10:52:49,556 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2020-07-07 10:52:49,556 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2020-07-07 10:52:49,556 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse1 .cse0 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-07 10:52:49,556 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2020-07-07 10:52:49,556 INFO L268 CegarLoopResult]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2020-07-07 10:52:49,556 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:52:49,556 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:52:49,556 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:52:49,557 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 379 387) no Hoare annotation was computed. [2020-07-07 10:52:49,557 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 379 387) no Hoare annotation was computed. [2020-07-07 10:52:49,557 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 379 387) no Hoare annotation was computed. [2020-07-07 10:52:49,557 INFO L264 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse4 (<= 0 ~waterLevel~0) .cse5) (and .cse3 .cse4 (<= ~waterLevel~0 0) .cse0) .cse6 .cse1 .cse2) (or .cse6 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2 (and .cse3 (< 0 ~waterLevel~0) .cse4 .cse5)))) [2020-07-07 10:52:49,557 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 .cse5 .cse2 .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse4 .cse5 .cse3)))) [2020-07-07 10:52:49,557 INFO L264 CegarLoopResult]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse11 (and .cse2 .cse10)) (.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse12 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~systemActive~0)))) (and (let ((.cse4 (= 1 ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4) .cse7)) (let ((.cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse5 .cse6 (<= 0 ~waterLevel~0) .cse8) (and .cse5 .cse6 .cse9 .cse10) .cse1 (and (< 0 ~waterLevel~0) .cse8) (not (<= |old(~waterLevel~0)| 2)) (and .cse9 .cse2 .cse3 .cse10 (not (= 0 ~waterLevel~0))) .cse7)) (or (not (<= |old(~waterLevel~0)| 1)) .cse11 .cse12 .cse7) (or .cse11 (and .cse10 (<= 1 ~pumpRunning~0)) .cse0 .cse12 .cse7)))) [2020-07-07 10:52:49,557 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2020-07-07 10:52:49,558 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse3 .cse1 .cse2))) [2020-07-07 10:52:49,558 INFO L268 CegarLoopResult]: For program point L72(lines 68 90) no Hoare annotation was computed. [2020-07-07 10:52:49,558 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2020-07-07 10:52:49,558 INFO L268 CegarLoopResult]: For program point L70(lines 68 90) no Hoare annotation was computed. [2020-07-07 10:52:49,558 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2020-07-07 10:52:49,558 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2020-07-07 10:52:49,558 INFO L271 CegarLoopResult]: At program point L923(lines 898 927) the Hoare annotation is: true [2020-07-07 10:52:49,558 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-07 10:52:49,558 INFO L268 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-07-07 10:52:49,558 INFO L271 CegarLoopResult]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2020-07-07 10:52:49,559 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-07 10:52:49,559 INFO L271 CegarLoopResult]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2020-07-07 10:52:49,559 INFO L271 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: true [2020-07-07 10:52:49,559 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-07-07 10:52:49,559 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:52:49,559 INFO L268 CegarLoopResult]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2020-07-07 10:52:49,559 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2020-07-07 10:52:49,559 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-07 10:52:49,559 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2020-07-07 10:52:49,559 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:52:49,559 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:52:49,560 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:52:49,560 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:52:49,560 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2020-07-07 10:52:49,560 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3))) [2020-07-07 10:52:49,560 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2020-07-07 10:52:49,560 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 .cse5 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:52:49,560 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2020-07-07 10:52:49,560 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:52:49,560 INFO L268 CegarLoopResult]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2020-07-07 10:52:49,560 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:52:49,561 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse2))) [2020-07-07 10:52:49,561 INFO L268 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2020-07-07 10:52:49,561 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-07 10:52:49,561 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-07-07 10:52:49,561 INFO L268 CegarLoopResult]: For program point L104(lines 104 121) no Hoare annotation was computed. [2020-07-07 10:52:49,561 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2020-07-07 10:52:49,561 INFO L268 CegarLoopResult]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2020-07-07 10:52:49,561 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse4 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 0)) .cse0 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (= 0 ~pumpRunning~0)) .cse2))) [2020-07-07 10:52:49,561 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:52:49,561 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-07 10:52:49,561 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-07 10:52:49,562 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:52:49,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:52:49 BoogieIcfgContainer [2020-07-07 10:52:49,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:52:49,589 INFO L168 Benchmark]: Toolchain (without parser) took 147898.66 ms. Allocated memory was 138.9 MB in the beginning and 1.1 GB in the end (delta: 994.1 MB). Free memory was 102.5 MB in the beginning and 670.9 MB in the end (delta: -568.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-07 10:52:49,590 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 10:52:49,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.81 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 170.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:52:49,591 INFO L168 Benchmark]: Boogie Preprocessor took 121.99 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:52:49,592 INFO L168 Benchmark]: RCFGBuilder took 1137.90 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 194.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:52:49,592 INFO L168 Benchmark]: TraceAbstraction took 146006.64 ms. Allocated memory was 236.5 MB in the beginning and 1.1 GB in the end (delta: 896.5 MB). Free memory was 194.1 MB in the beginning and 670.9 MB in the end (delta: -476.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-07 10:52:49,594 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 627.81 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 170.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.99 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1137.90 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 194.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 146006.64 ms. Allocated memory was 236.5 MB in the beginning and 1.1 GB in the end (delta: 896.5 MB). Free memory was 194.1 MB in the beginning and 670.9 MB in the end (delta: -476.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 249 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 98.7s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 84.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 47.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2373 SDtfs, 7026 SDslu, 5242 SDs, 0 SdLazy, 24406 SolverSat, 5704 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2625 GetRequests, 2168 SyntacticMatches, 17 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7114 ImplicationChecksByTransitivity, 46.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1124occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 1284 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2690 PreInvPairs, 3033 NumberOfFragments, 2204 HoareAnnotationTreeSize, 2690 FomulaSimplifications, 6451556459 FormulaSimplificationTreeSizeReduction, 16.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 10582893 FormulaSimplificationTreeSizeReductionInter, 30.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 3509 NumberOfCodeBlocks, 3509 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3490 ConstructedInterpolants, 0 QuantifiedInterpolants, 1908284 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6189 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2800/3037 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...